From 49fe06683a1c6cbdb0ad73a33056b4898751c2fe Mon Sep 17 00:00:00 2001
From: David Gabriel Monk <david.gabriel.monk@cern.ch>
Date: Thu, 28 Oct 2021 09:41:20 +0200
Subject: [PATCH] Update top/firmware/hdl/LinkCombiner.vhd

---
 top/firmware/hdl/LinkCombiner.vhd | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/top/firmware/hdl/LinkCombiner.vhd b/top/firmware/hdl/LinkCombiner.vhd
index f54a72cf..2321561a 100644
--- a/top/firmware/hdl/LinkCombiner.vhd
+++ b/top/firmware/hdl/LinkCombiner.vhd
@@ -170,7 +170,7 @@ begin
         signal almost_empty                   : std_logic;
         signal data_count                     : std_logic_vector(6 downto 0) := (others => '0');
         signal underflow                      : std_logic;
-        signal readout_countdown              : integer                      := 0;
+        signal readout_countdown              : integer range 0 to 256       := 0;
         signal valid_previous                 : std_logic                    := '0';
         signal strobe_buffer, strobe_buffer_2 : std_logic                    := '0';
         signal rd_en_check                    : std_logic                    := '0';
-- 
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